a-a a-b a-i a-t aaa aab aae aai aam aao aat aav ab- aba abb abe abi abm abo abt abv aea aeb aee aei aem aeo aet aev ai- aia aib aie aii aim aio ait aiv ama amb ame ami amm amo amt amv aoa aob aoe aoi aom aoo aot aov at- ata atb ate ati atm ato att atv av- ava avb ave avi avm avo avt baa bab bae bai bam bao bat bav bba bbb bbe bbi bbm bbo bbt be- bea beb bee bei bem beo bet bev bi- bia bib bie bii bim bio bit biv bma bmb bme bmi bmm bmo bmt bmv boa bob boe boi bom boo bot bov bta btb bte bti btm bto btt btv bva bvb bve bvi bvm bvo bvt bvv eaa eab eae eai eam eao eat eav eba ebb ebe ebi ebm ebo ebt ebv eea eeb eee eem eeo eet eev eia eib eie eii eim eio eit eiv em- ema emb eme emi emm emo emt emv eo- eoa eob eoe eoi eom eoo eot eta etb ete eti etm eto ett etv eva evb eve evi evm evo evt evv i-v ia- iaa iab iae iai iam iao iat iav iba ibb ibe ibi ibm ibo ibt ibv ie- iea iee iei iem iet iev iia iib iie iii iim iio iit im- ima imb ime imi imm imo imt imv io- ioa iob ioe ioi iom ioo iot iov ita itb ite iti itm ito itt itv iva ivb ive ivi ivo ivt ivv m-o m-v maa mab mae mai mam mao mat mav mba mbb mbe mbi mbm mbo mbt mbv mea meb mee mei mem meo met mev mi- mia mib mie mii mim mio mit miv mma mmb mme mmi mmm mmo mmt mmv moa mob moe moi mom moo mot mov mta mtb mte mti mtm mto mtt mtv mva mvb mve mvi mvm mvo mvt mvv o-i oaa oab oae oai oam oao oat oav ob- oba obb obe obi obm obo obt obv oea oeb oee oei oem oeo oet oia oib oie oii oim oio oit oiv om- oma omb ome omi omm omo omt omv oo- ooa oob ooi oom ooo oot oov ot- ota otb ote oti otm oto ott otv ov- ova ovb ove ovi ovo ovv taa tab tae tai tam tao tat tav tba tbb tbe tbi tbm tbo tbt tbv te- tea teb tee tei tem teo tet tev tia tib tie tii tim tio tit tiv tma tmb tme tmi tmm tmo tmt tmv to- toa tob toe toi tom too tot tov tta ttb tte tti ttm tto ttt ttv tva tvb tve tvi tvm tvo tvt v-a v-e vaa vab vae vai vam vao vat vav vba vbi vbm vbo vbv vea veb vee vei vem veo vet vi- via vib vie vii vim vio vit viv vm- vma vmi vmm vmo vmt voa vob voe voi vom voo vot vov vta vtb vte vti vtm vto vtt vtv vva vvb vvi vvm vvo vvt vvv